Chemistry, asked by ishika6, 1 year ago

how many molecules are present in 1.28g of so2 gas if the atomic mass of sulphur and oxygen is 32u and 16u respectively

Answers

Answered by abheepsa
16
mole=mass/molar mass
=1.28/64=0.02 mole
1 mole =6.022 . 10^23 molecules
0.02 mole= 6.022 .10^23 . 0.02 molecules
plz multiply this you can get ur answer

Answered by kaokary
17
1 mole = 6.02*10^23 moles
hence for 0.02 moles = 6.02*10^23 * 0.02
:: =12.04*10^21
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